osu!wiki Preferences Fix

wikifix.user.js

// ==UserScript==
// @name        Preferences fix
// @namespace   osu!wiki.preferencesFix
// @include     https://osu.ppy.sh/wiki/*Special:Preferences*
// @version     2
// @grant       none
// ==/UserScript==

/* Fix for Preferences page -- Repflez */
var prefTabLinks = new Array();
var prefContentDivs = new Array();

function initPrefFix() {

  // Grab the tab links and content divs from the page
  var prefTabListItems = document.getElementById('preftoc').childNodes;
  for ( var i = 0; i < prefTabListItems.length; i++ ) {
    if ( prefTabListItems[i].nodeName == "LI" ) {
      var prefTabLink = prefGetFirstChildWithTagName( prefTabListItems[i], 'A' );
      var id = prefGetHash( prefTabLink.getAttribute('href') );
      prefTabLinks[id] = prefTabLink;
      prefContentDivs[id] = document.getElementById( id );
    }
  }

  // Assign onclick events to the tab links, and
  // highlight the first tab
  var i = 0;

  for ( var id in prefTabLinks ) {
    prefTabLinks[id].onclick = prefShowTab;
    prefTabLinks[id].onfocus = function() { this.blur() };
    if ( i == 0 ) prefTabLinks[id].className = 'selected';
    i++;
  }

  // Hide all content divs except the first
  var i = 0;

  for ( var id in prefContentDivs ) {
    if ( i != 0 ) prefContentDivs[id].style = 'display: none;';
    else prefContentDivs[id].style = 'display: block;';
    i++;
  }
}

function prefShowTab() {
  var selectedId = prefGetHash( this.getAttribute('href') );

  // Highlight the selected tab, and dim all others.
  // Also show the selected content div, and hide all others.
  for ( var id in prefContentDivs ) {
    if ( id == selectedId ) {
      prefTabLinks[id].parentElement.className = 'selected';
      prefContentDivs[id].style.display = 'block';
    } else {
      prefTabLinks[id].parentElement.className = '';
      prefContentDivs[id].style.display = 'none';
    }
  }

  // Stop the browser following the link
  return false;
}

function prefGetFirstChildWithTagName( element, tagName ) {
  for ( var i = 0; i < element.childNodes.length; i++ ) {
    if ( element.childNodes[i].nodeName == tagName ) return element.childNodes[i];
  }
}

function prefGetHash( url ) {
  var hashPos = url.lastIndexOf ( '#' );
  return url.substring( hashPos + 1 );
}

if (wgPageName == 'Special:Preferences') {
        initPrefFix();
}